%I #4 Jun 08 2018 08:07:34
%S 1,82,818,17947,383910,8417922,185389115,4094434997,90512430926,
%T 2001749650686,44277953110500,979481824603856,21667974875091016,
%U 479342236614803683,10604136569952695750,234588036917706798440
%N Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.
%C Column 5 of A305685.
%H R. H. Hardin, <a href="/A305682/b305682.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=5
%e ..0..1..0..0..0. .0..1..0..0..0. .0..1..0..0..0. .0..0..0..1..0
%e ..1..1..1..1..1. .1..1..1..1..1. .1..1..1..1..1. .1..1..0..1..0
%e ..1..0..0..1..1. .0..1..0..0..1. .0..0..0..1..1. .1..0..0..0..1
%e ..0..1..0..0..0. .1..0..0..0..1. .0..1..1..0..0. .0..1..1..0..0
%e ..1..0..0..1..1. .0..1..1..1..0. .0..1..0..0..1. .1..0..0..1..1
%Y Cf. A305685.
%K nonn
%O 1,2
%A _R. H. Hardin_, Jun 08 2018